<!DOCTYPE html>
<html>

<head>
    <title>Bilibili 专栏 Markdown 工具 - 前端窗口</title>
    <meta charset="utf-8">
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <style>
    body {
        padding-top: 20px;
        padding-bottom: 20px;
    }
    </style>
</head>

<body>
    <div class="container">
        <div class="panel panel-danger">
            <div class="panel-heading">
                <h3 class="panel-title">提交反馈</h3>
            </div>
            <div class="panel-body">
                <strong>失败（Fail）</strong><br>
                错误详情：请查看「控制台（Console）」输出。
            </div>
        </div>
    </div>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js">
    </script>
    <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js">
    </script>
</body>

</html>